Computerized vision tester is used to examination visual function and refractive error of subject's eyes. Is constitute with refractor head, control software and power adapter
This instrument makes use of the principle of optical, machinery and electronic. With the rotating of the motors, the different power lenses will present on the window, the optometry project different charts by Auto Chart Projector or Chart Monitor and ask subject to distinguish, the check the eyesght basis on the reply from the subjects.
